• DocumentCode
    2375895
  • Title

    A powerful yet ecological parallel processing system using execution-based adaptive power-down control and compact quadruple-precision assist FPUs

  • Author

    Aoki, Hidetaka ; Kawahara, Takayuki ; Yamaoka, Masanao ; Yoshimura, Chihiro ; Nagasaka, Yoshiko ; Takayama, Koichi ; Sukegawa, Naonobu ; Fukumura, Yusuke ; Nakahata, Masaya ; Sawamoto, Hideo ; Odaka, Masanori ; Sakurai, Takayasu ; Kasai, Kenichi

  • Author_Institution
    Hitachi, Ltd., Tokyo
  • fYear
    2008
  • fDate
    18-20 June 2008
  • Firstpage
    186
  • Lastpage
    187
  • Abstract
    This paper reports the first trial in which spatially and temporally fine-grained power-down control has been implemented in a high-performance processor in the sense that the FPUs are controlled spatially and dynamically based on the execution sequence.
  • Keywords
    open systems; parallel processing; ecological parallel processing system; execution-based adaptive power-down control; fine-grained power-down control; quadruple-precision assist FPU; Adaptive control; Adaptive systems; Control systems; Energy consumption; FAA; Frequency; Parallel processing; Process control; Programmable control; Quadratic programming;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    VLSI Circuits, 2008 IEEE Symposium on
  • Conference_Location
    Honolulu, HI
  • Print_ISBN
    978-1-4244-1804-6
  • Electronic_ISBN
    978-1-4244-1805-3
  • Type

    conf

  • DOI
    10.1109/VLSIC.2008.4586000
  • Filename
    4586000